JPS6425953A - Shadow mask and its production - Google Patents
Shadow mask and its productionInfo
- Publication number
- JPS6425953A JPS6425953A JP26266587A JP26266587A JPS6425953A JP S6425953 A JPS6425953 A JP S6425953A JP 26266587 A JP26266587 A JP 26266587A JP 26266587 A JP26266587 A JP 26266587A JP S6425953 A JPS6425953 A JP S6425953A
- Authority
- JP
- Japan
- Prior art keywords
- shadow mask
- contg
- subjected
- production
- prepd
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE:To obtain a shadow mask having sufficient strength and low coercive force by producing the shadow mask with the material in which specific ratios of C, Si, Mn, S, Cr, etc., are incorporated into Fe. CONSTITUTION:The material of the shadow mask contg., by weight, <=0.03% C, 1-5% Si, <=1% Mn and <=0.020% S, contg. 0.005-0.5% total from one or more kinds among Cr, Al, Ti, Zr, B, Mo, Nb, N, P, Cu, V, Mg, Co, Ni and W and consisting of the balance Fe with inevitable impurities is prepd. Said material is cold rolled into <=50mu plate thickness, is subjected to etching boring, is applied to a heat treatment at about 300-700 deg.C, is subjected to a blackening film treatment to form the shadow mask and is inserted into a Braun tube in the state of adding tension thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26266587A JPS6425953A (en) | 1987-04-16 | 1987-10-20 | Shadow mask and its production |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9187487 | 1987-04-16 | ||
| JP26266587A JPS6425953A (en) | 1987-04-16 | 1987-10-20 | Shadow mask and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6425953A true JPS6425953A (en) | 1989-01-27 |
Family
ID=26433300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26266587A Pending JPS6425953A (en) | 1987-04-16 | 1987-10-20 | Shadow mask and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6425953A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998040526A1 (en) * | 1997-03-10 | 1998-09-17 | Toyo Kohan Co. Ltd. | Steel sheet for shadow mask, shadow mask, production method of shadow mask, and color picture tube |
| WO1999047720A1 (en) * | 1998-03-19 | 1999-09-23 | Toyo Kohan Co., Ltd. | Steel sheet for shadow mask, shadow mask, and picture tube |
| WO2000039354A1 (en) * | 1998-12-25 | 2000-07-06 | Toyo Kohan Co., Ltd. | Color picture tube shadow mask material |
| WO2000070110A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| WO2000070111A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| WO2000070109A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| WO2002000955A1 (en) * | 2000-06-26 | 2002-01-03 | Toyo Kohan Co.,Ltd. | Raw material for shadow mask for color image receiving tube |
| WO2004035849A1 (en) * | 2002-10-18 | 2004-04-29 | Toyo Kohan Co., Ltd. | Material for aperture grill for color image receiving tube, aperture grill, and color image receiving tube |
| KR100435451B1 (en) * | 1999-09-22 | 2004-06-10 | 주식회사 포스코 | A method for producing a cold rolled steel sheet for braun tube mask frame with excellent magnetic property and adhesion of black scale |
-
1987
- 1987-10-20 JP JP26266587A patent/JPS6425953A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998040526A1 (en) * | 1997-03-10 | 1998-09-17 | Toyo Kohan Co. Ltd. | Steel sheet for shadow mask, shadow mask, production method of shadow mask, and color picture tube |
| WO1999047720A1 (en) * | 1998-03-19 | 1999-09-23 | Toyo Kohan Co., Ltd. | Steel sheet for shadow mask, shadow mask, and picture tube |
| WO2000039354A1 (en) * | 1998-12-25 | 2000-07-06 | Toyo Kohan Co., Ltd. | Color picture tube shadow mask material |
| US6617776B1 (en) * | 1998-12-25 | 2003-09-09 | Toyo Kohan Co., Ltd. | Color picture tube shadow mask material |
| WO2000070110A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| WO2000070111A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| WO2000070109A1 (en) * | 1999-05-14 | 2000-11-23 | Toyo Kohan Co., Ltd. | Material for shadow mask for color image receiving tube, method for production thereof, shadow mask, and image receiving tube |
| KR100435451B1 (en) * | 1999-09-22 | 2004-06-10 | 주식회사 포스코 | A method for producing a cold rolled steel sheet for braun tube mask frame with excellent magnetic property and adhesion of black scale |
| WO2002000955A1 (en) * | 2000-06-26 | 2002-01-03 | Toyo Kohan Co.,Ltd. | Raw material for shadow mask for color image receiving tube |
| WO2004035849A1 (en) * | 2002-10-18 | 2004-04-29 | Toyo Kohan Co., Ltd. | Material for aperture grill for color image receiving tube, aperture grill, and color image receiving tube |
| EP1553200A1 (en) * | 2002-10-18 | 2005-07-13 | Toyo Kohan Co., Ltd. | Material for aperture grill for color image receiving tube, aperture grill, and color image receiving tube |
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